COC ORAL EXAM PREPARATION (PART- 4) – LUB OIL & FUEL OIL
Lubricating Oil Viscosity: 1. A measure of internal resistance to flow. 2. Viscosity of an oil changes with temperature, falling when temperature rises and vice versa. 3. For crankcase oil, viscosity is between 130 – 240 Sec. Redwood No. 1 at 60°C. 4. For cylinder oil, viscosity is 12.5 – 22 Cst. Viscosity Index, VI: …